1 files changed, 30 insertions, 4 deletions

diff --git a/include/linux/if_tun.h b/include/linux/if_tun.h
index 8c71fe2fb1f..4c6307ad9fd 100644
--- a/include/linux/if_tun.h
+++ b/include/linux/if_tun.h
@@ -11,14 +11,13 @@
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  *  GNU General Public License for more details.
- *
- *  $Id: if_tun.h,v 1.2 2001/06/01 18:39:47 davem Exp $
  */
 
 #ifndef __IF_TUN_H
 #define __IF_TUN_H
 
 #include <linux/types.h>
+#include <linux/if_ether.h>
 
 /* Read queue size */
 #define TUN_READQ_SIZE  500
@@ -33,6 +32,7 @@
 #define TUN_NO_PI       0x0040
 #define TUN_ONE_QUEUE   0x0080
 #define TUN_PERSIST     0x0100  
+#define TUN_VNET_HDR    0x0200
 
 /* Ioctl defines */
 #define TUNSETNOCSUM  _IOW('T', 200, int) 
@@ -42,17 +42,43 @@
 #define TUNSETOWNER   _IOW('T', 204, int)
 #define TUNSETLINK    _IOW('T', 205, int)
 #define TUNSETGROUP   _IOW('T', 206, int)
+#define TUNGETFEATURES _IOR('T', 207, unsigned int)
+#define TUNSETOFFLOAD  _IOW('T', 208, unsigned int)
+#define TUNSETTXFILTER _IOW('T', 209, unsigned int)
 
 /* TUNSETIFF ifr flags */
 #define IFF_TUN         0x0001
 #define IFF_TAP         0x0002
 #define IFF_NO_PI       0x1000
 #define IFF_ONE_QUEUE   0x2000
+#define IFF_VNET_HDR    0x4000
+
+/* Features for GSO (TUNSETOFFLOAD). */
+#define TUN_F_CSUM      0x01    /* You can hand me unchecksummed packets. */
+#define TUN_F_TSO4      0x02    /* I can handle TSO for IPv4 packets */
+#define TUN_F_TSO6      0x04    /* I can handle TSO for IPv6 packets */
+#define TUN_F_TSO_ECN   0x08    /* I can handle TSO with ECN bits. */
 
+/* Protocol info prepended to the packets (when IFF_NO_PI is not set) */
+#define TUN_PKT_STRIP   0x0001
 struct tun_pi {
-        unsigned short flags;
+        __u16  flags;
         __be16 proto;
 };
-#define TUN_PKT_STRIP   0x0001
+
+/*
+ * Filter spec (used for SETXXFILTER ioctls)
+ * This stuff is applicable only to the TAP (Ethernet) devices.
+ * If the count is zero the filter is disabled and the driver accepts
+ * all packets (promisc mode).
+ * If the filter is enabled in order to accept broadcast packets
+ * broadcast addr must be explicitly included in the addr list.
+ */
+#define TUN_FLT_ALLMULTI 0x0001 /* Accept all multicast packets */
+struct tun_filter {
+        __u16  flags; /* TUN_FLT_ flags see above */
+        __u16  count; /* Number of addresses */
+        __u8   addr[0][ETH_ALEN];
+};
 
 #endif /* __IF_TUN_H */